Radeon HD 3470 512MB vs Radeon R9 M295X

Intro

Compare those specifications to the Radeon R9 M295X, which has a core clock frequency of 750 MHz and a GDDR5 memory frequency of 1375 MHz. It also uses a 256-bit bus, and uses a 28 nm design. It is comprised of 2048 SPUs, 128 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the Radeon R9 M295X should in theory be a lot superior to the Radeon HD 3470 512MB overall. (explain)

Radeon R9 M295X		176000 MB/sec
Radeon HD 3470 512MB		30400 MB/sec
	Difference: 145600 (479%)

Texel Rate

The Radeon R9 M295X should be quite a bit (more or less 2900%) faster with regards to AF than the Radeon HD 3470 512MB. (explain)

Radeon R9 M295X		96000 Mtexels/sec
Radeon HD 3470 512MB		3200 Mtexels/sec
	Difference: 92800 (2900%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon R9 M295X is superior to the Radeon HD 3470 512MB, by far. (explain)

Radeon R9 M295X		24000 Mpixels/sec
Radeon HD 3470 512MB		3200 Mpixels/sec
	Difference: 20800 (650%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be transported across the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.